The number of 2 digit prime number is

  • Option 1)

    18

  • Option 2)

    17

  • Option 3)

    21

  • Option 4)

    None \: of \: these

  • Option 5)

    25

Answers (1)

            2 digit prime numbers

Total prime number 1 to 100=25

Total prime number 1 to 10=4

Total numbers =21

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